ATOME Energy : Investor Presentation

GREEN HYDROGEN, AMMONIA AND FERTILISER FOR THE WORLD

AUGUST 2023

WWW.ATOMEPLC.COM

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Disclaimer

The information contained herein has been provided solely for information purposes and does not purport to be comprehensive or contain all the information that may be required by recipients to evaluate Atome Energy plc (the "Company"). This presentation and the information contained in it has not been independently verified and no reliance should be placed on it or the opinions contained within it. In furnishing the presentation, the Company reserves the right to amend or replace the presentation at any time and undertakes no obligation to provide the recipient with access to any additional information. The Company may, but shall not be obliged to, update or correct the information set forth in this presentation or to provide, update or correct any additional information.

The Company does not make any representation or warranty, express or implied, as to the accuracy or completeness of this presentation or the information contained herein and, except in the case of fraud, the Company shall not have any liability (direct, indirect, consequential or otherwise) for the information contained in, or any omissions from, this presentation. This presentation does not constitute a prospectus or offering memorandum or offer in respect of any securities and should not be considered as a recommendation by the Company, its affiliates, representatives, officers, employees or agents to acquire an interest in the Company.

This presentation does not constitute or form part of any offer or invitation to sell or issue or any solicitation of any offer to purchase or subscribe for any securities in any jurisdiction, nor shall it (or any part of it) or the fact of its distribution, form the basis of or be relied upon in connection with, or act as any inducement to enter into, any contract or commitment or engage in any investment activity whatsoever relating to any securities.

The contents of this presentation have not been approved by any person for the purposes of section 21 of the Financial Services and Markets Act 2000, as amended ("FSMA"). Reliance on the presentation for the purpose of engaging in any investment activity may expose an individual to a significant risk of losing all of the property or other assets invested. Any person who is in any doubt about the subject matter to which the presentation relates should consult a person duly authorised for the purposes of FSMA who specialises in the acquisition of shares and other securities.

This presentation contains forward-looking statements which involve known and unknown risks, uncertainties and other factors which may cause the Company's actual results, performance or achievements to be materially different from any future results, performance or achievements expressed or implied by such forward-looking statements. Certain forward-looking statements are based upon assumptions of future events which may not prove to be accurate. These forward- looking statements speak only as to the date of the presentation and neither the Company nor any of its members, directors, officers, employees, agents or representatives assumes any liability for the accuracy of such information, nor is the Company under any obligation to update or provide any additional information in relation to such forward-looking statements. Nothing in this presentation is, or should be relied upon as, a promise or representation as to the future.

Recipients of this presentation outside the United Kingdom should inform themselves about and observe any applicable legal restrictions in their jurisdiction which may be relevant to the distribution, possession or use of this presentation and recognise that the Company does not accept any responsibility for contravention of any legal restrictions in such jurisdiction. The Company's securities have not been and will not be registered under the United States Securities Act of 1933, as amended ("Securities Act"), or under the securities legislation of any state of the Unites States nor under the relevant securities laws of Australia, Canada, Japan or the Republic of South Africa and may not be offered or sold in the United States except pursuant to an exemption from, or in a transaction not subject to, the registration requirements of the Securities Act and in compliance with any applicable state securities laws.

Forecasts taken from NexantECA report do not guarantee future performance and no reliance may be placed on such forecasts. NexantECA's report and the forecasts therein were prepared for Atome Energy PLC and are not intended for any other recipient. Uncontrollable factors, unknown risks, uncertainties and unforeseen or unforeseeable circumstances may affect such assumptions on which forecasts. Accordingly, NexantECA does not and cannot guarantee that any particular result will be achieved. All forecasts were made as at 20/05/23 and have not been updated or revised since that date. NexantECA disclaims any and all liability of whatsoever nature, whether in contract, tort or otherwise in connection with the use of or reliance on any forecasts contained herein.

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At a glance

The largest UK-based producer of green hydrogen and ammonia by 2025

Delivering the world's first premium value green fertiliser

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Organisation

1st

And only LSE company fully dedicated to green hydrogen, ammonia, and fertiliser production

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Operating entities in Paraguay,

Iceland and Costa Rica

600MW

Global pipeline of potential

projects

Villeta Project

Paraguay

120MW

Largest green ammonia and

fertiliser facility in Latin America

by 2025

250,000

Tonnes of potential green

calcium ammonium nitrate (CAN)

per year

Q4

Final Investment Decision (FID)

expected in Q4 2023

Our Products

100%

Of the hydrogen and ammonia we

produce is made using 100%

renewable power

480,000+

Tonnes per year of carbon

emissions potentially reduced from

first phase Villeta project alone

17 million

Tonnes per year demand for CAN in South America and Europe by 2045

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Our Business

The only London Stock Exchange company focused on the development of green hydrogen, ammonia, and fertiliser projects

Raw Materials

• Renewable Energy
• Water
• Air

Electrolysis			Ammonia
Green Hydrogen
	Synthesis

• For Ammonia Production

• For Low-Carbon Transport (ATOME Mobility)

Ammonia

• Fertiliser Production (Latin America)
• Marine fuel (Iceland)

Nitric Acid

LimestoneCAN+

• Premium value green fertiliser (Villeta project)

FAST-TRACK

TECH AGNOSTIC

GLOBALLY COMPETITIVE

EXISTING MARKETS

Accessing existing infrastructure and readily available renewable power enabling speed to market

e.g., 14GW Itaipu Dam (Paraguay), Icelandic geothermal and hydro resources)

Locations allow for selection of the most proven and cost- effective electrolyser technology

e.g., Alkaline vs. PEM technology

Access to low-cost power enabling to produce some of the world's most affordable green hydrogen, ammonia and green fertiliser

Locations with significant market depth for ATOME's green products

e.g., 1 million tonnes per year demand for CAN in South America

Growing our existing project pipeline, globally

Targeting 100MW+ green

ammonia projects

Power Provider:

Owners Engineer:

Financial Adviser:

FEED Contractor:

Market Advisor:

DFI Advisor:

ESIA Consultant:

60MW+ green hydrogen and

ammonia project

Admitted to the AIM Market of the London Stock

Exchange in December 2021

420MW green hydrogen, ammonia and fertiliser

projects

Phase 1: 120MW Villeta project (2025)

Phase 2: 300MW Yguazu

1MW mobility project to produce green hydrogen fuel to

decarbonise Paraguay's transport sector